Highways, houses, industrial developments and entire neighborhoods along the San Francisco Bay will be under water if global warming causes tides to rise as much as 3 feet in the coming decades, according to new maps developed by the Bay Conservation and Development Commission. The maps, prepared for The San Francisco Chronicle, depict entirely submerged parts of residential cities such as Corte Madera, Mill Valley, Sausalito, San Rafael, Hayward and Newark. In San Francisco, the Caltrain mass transit system and an ambitious Candlestick Point redevelopment project would be vulnerable to flooding. Much of the Silicon Valley shoreline would be under...